diff options
Diffstat (limited to 'lib/parser.rb')
| -rw-r--r-- | lib/parser.rb | 44 |
1 files changed, 42 insertions, 2 deletions
diff --git a/lib/parser.rb b/lib/parser.rb index a913cf2..1a872a0 100644 --- a/lib/parser.rb +++ b/lib/parser.rb @@ -36,10 +36,18 @@ module OpenTox else uri = @uri end - uri += "?subjectid=#{CGI.escape(subjectid)}" if subjectid + # avoid using rapper directly because of 2 reasons: + # * http errors wont be noticed + # * subjectid cannot be sent as header + ##uri += "?subjectid=#{CGI.escape(subjectid)}" if subjectid + ## `rapper -i rdfxml -o ntriples #{uri} 2>/dev/null`.each_line do |line| + file = Tempfile.new("ot-rdfxml") + file.puts OpenTox::RestClientWrapper.get @uri,{:subjectid => subjectid,:accept => "application/rdf+xml"} + file.close + file = "file://"+file.path statements = [] parameter_ids = [] - `rapper -i rdfxml -o ntriples #{uri} 2>/dev/null`.each_line do |line| + `rapper -i rdfxml -o ntriples #{file} 2>/dev/null`.each_line do |line| triple = line.to_triple @metadata[triple[1]] = triple[2].split('^^').first if triple[0] == @uri and triple[1] != RDF['type'] statements << triple @@ -55,6 +63,38 @@ module OpenTox end @metadata end + + # loads metadata from rdf-data + # @param [String] rdf + # @param [String] type of the info (e.g. OT.Task, OT.ErrorReport) needed to get the subject-uri + # @return [Hash] metadata + def self.metadata_from_rdf( rdf, type ) + # write to file and read convert with rapper into tripples + file = Tempfile.new("ot-rdfxml") + file.puts rdf + file.close + file = "file://"+file.path + #puts "cmd: rapper -i rdfxml -o ntriples #{file} 2>/dev/null" + triples = `rapper -i rdfxml -o ntriples #{file} 2>/dev/null` + + # load uri via type + uri = nil + triples.each_line do |line| + triple = line.to_triple + if triple[1] == RDF['type'] and triple[2]==type + raise "uri already set, two uris found with type: "+type.to_s if uri + uri = triple[0] + end + end + + # load metadata + metadata = {} + triples.each_line do |line| + triple = line.to_triple + metadata[triple[1]] = triple[2].split('^^').first if triple[0] == uri and triple[1] != RDF['type'] + end + metadata + end # Generic parser for all OpenTox classes class Generic |